How arbitrary order quasi-continuous high order sliding mode is acheived?

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Detection of insect eggs in stored and processed products?

Currently, in order to identify insect eggs in stored or processed products (such as contaminated flour or wafer samples), staining was performed based on the method mentioned in the below...

15 January 2021 6,362 5 View

Is there any mathematical relationship between pH and zeta potential?

I am looking for a mathematical relationship between pH and zeta potential. Is there any idea in this regard, please?

26 November 2020 3,411 3 View

When Correlation is high and RMSE is High too- How to select good model ?

Dear all, I wanted to evaluate the accuracy of a model using observation data. My problem is the correlation of the model with observed data is really good (bigger than 0.7) but RMSE is very high...

02 November 2020 9,005 3 View

How to locate nodes in mass or stiffness matrix?

I've extracted mass and stiffness matrices from a modal analysis in Ansys. I need to know how the elements of each matrix is related to node ID. Anyone can help me with an ansys command to find...

11 September 2020 9,462 4 View

How to visualise a journal issue?

Dear all, One of my friends is a editor in chief of a geospatial journal and he asked me to visualise the recent issue of the journal for publishing on the journal website. I have some ideas, for...

22 July 2020 6,275 4 View

Why does the Editor reject the article based on only one reviewer's comments?

Hi everyone, I submitted two of my papers to a well-established journal in Elsevier. However, in both cases, the Editor rejected the papers based on the comments of only 1 reviewer without asking...

02 April 2020 3,210 19 View

Where should I register my systematic review and meta-analysis?

Dear colleagues, Is it alright to register a systematic review and meta-analysis (focusing on human health studies) with the International Platform of Registered Systematic Review and...

25 March 2020 5,382 9 View

Why Aluminum powders color sometimes change after Ball Milling?

Dear viewers, I am working on ball milling of Aluminum powders for a couple of years and a question yet not answered to me is that "why sometimes- not always or so many- I encounter a color change...

24 March 2020 2,237 6 View

Hi, I need to simulate an LPG in fiber by COMSOL. is there any step-by-step manual for this purpose?

Hi, I need to simulate an LPG in fiber by COMSOL. is there any step-by-step manual for this purpose? thanks for any help in advance

18 March 2020 728 3 View

Does the scanning rate affect the degree of crystallinity?

Hi every one, I wonder if the DSC heating rate affects the degree of crystallinity in semi-crystalline polymers? thanks

25 January 2020 8,884 7 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

Can I arbitrarily take a cycle number of 40 for the gene that was not expressed at all in qPCR results calculation?

I ran RT-qPCR for a control and a treated group and it appears that my gene of interest was not expressed at all in any of the subjects in the control group. So I was wondering if I could...

20 February 2021 6,243 10 View

How to overcome convergence issues in concrete arch models?

Hi, I have modelled a three-span arch bridge with soil fill over along with pedestals. The FE modelling is done in LUSAS with HX8M solid elements (i.e. 3D solid modelling). The non-linearity is...

20 February 2021 1,346 2 View

How to perform EEG classification of Alzheimer and control groups?

I am doing a project on classification of EEG signals of Alzheimer's disease and control groups. Previously, I extracted the alpha power of the EEG signals and found out the strengths. I want a...

18 February 2021 8,502 2 View